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CO alarm. • TEST/SILENCE button The TEST/SILECNE button is used to test the unit. Press and Model: FJ128 hold to enable TEST function. • Alarm sounder The alarm sounder is used to send out CO alarm warning Carbon Monoxide Alarm and fault warning information.
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• CO alarm warning UNDERSTANDING YOUR CO ALARM When the alarm detects a dangerous level of CO, the alarm will emit a loud alarm pattern. The alarm signal pattern is 4 quick beeps followed by 5 seconds of silence. This cycle repeats as •...
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